AirHint found the following cheapest return flights from Lagos (LOS) to Istanbul (IST) in September 2025 (see full year).

Return flights

17 Sep - 22 Sep	Qatar Airways
22 Sep - 29 Sep	Qatar Airways
12 Sep - 15 Sep	Qatar Airways
17 Sep - 21 Sep	Qatar Airways
05 Sep - 14 Sep	Qatar Airways
05 Sep - 07 Sep	Qatar Airways
17 Sep - 21 Sep	Turkish Airlines	direct
22 Sep - 29 Sep	Turkish Airlines	direct
17 Sep - 22 Sep	Turkish Airlines	direct
05 Sep - 14 Sep	Turkish Airlines	direct

Also check the deals for one-way flights from Lagos to Istanbul in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Lagos to Istanbul in September from $773

Return flights